開發指南—DAL語句—SET—SETSET NAMES

文法

SET NAMES {'charset_name'
    [COLLATE 'collation_name'] | DEFAULT}      

其中，

charset_name

和

collation_name

可不加引号，當使用者給出

collation_name

時，字元序也将被設定為給定值。

示例

mysql> SHOW SESSION VARIABLES LIKE 'character\_set\_%';
+--------------------------+---------+
| Variable_name            | Value   |
+--------------------------+---------+
| character_set_client     | utf8mb4 |
| character_set_connection | utf8mb4 |
| character_set_database   | utf8    |
| character_set_filesystem | binary  |
| character_set_results    | utf8mb4 |
| character_set_server     | utf8    |
| character_set_system     | utf8    |
+--------------------------+---------+
7 rows in set (0.03 sec)
mysql> SET NAMES gb18030 COLLATE gb18030_chinese_ci;
Query OK, 0 rows affected (0.02 sec)
mysql> SHOW SESSION VARIABLES LIKE 'character\_set\_%';
+--------------------------+---------+
| Variable_name            | Value   |
+--------------------------+---------+
| character_set_client     | gb18030 |
| character_set_connection | gb18030 |
| character_set_database   | utf8    |
| character_set_filesystem | binary  |
| character_set_results    | gb18030 |
| character_set_server     | utf8    |
| character_set_system     | utf8    |
+--------------------------+---------+
7 rows in set (0.02 sec)